js slider

  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  <html xmlns="http://www.w3.org/1999/xhtml">
  <head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>Nivoslider多种焦点图切换效果</title>
  <meta name="keywords" content="焦点图,Nivoslider" />
  <meta name="description" content="Nivoslider是一款能实现多种切换效果的图片切换插件，能和flash焦点图切换相媲美。Nivoslider为我们提供了十几种切换效果，支持多种参数配置和方法函数调用，而且非常简洁方便。" />
  <link rel="stylesheet" type="text/css" href="http://www.sucaihuo.com/jquery/css/common.css" />
  <link rel="stylesheet" type="text/css" href="nivo-slider.css" />
  <style type="text/css">
  #slider{680px; height:272px; margin:40px auto;background:url(images/loading.gif) no-repeat 50% 50%;}
  #slider img {position:absolute;top:0px;left:0px;display:none;}
  .nivo-controlNav{position:absolute;left:300px;bottom:-42px;}
  .nivo-controlNav a {display:block;22px;height:22px;background:url(images/bullets.png) no-repeat;text-indent:-9999px;border:0;margin-right:3px;float:left;}
  .nivo-controlNav a.active {background-position:0 -22px;}
  .nivo-directionNav a {display:block;30px;height:30px;background:url(images/arrows.png) no-repeat;text-indent:-9999px;border:0;}
  a.nivo-nextNav {background-position:-30px 0;right:15px;}
  a.nivo-prevNav {left:15px;}
  .nivo-caption {text-shadow:none; font-family: Helvetica, Arial, sans-serif;}
  .nivo-caption a {color:#efe9d1;text-decoration:underline;}
  </style>
  </head>
  <body>
  <div class="head">
  <div class="head_inner clearfix">
  <ul id="nav">
  <li><a href="http://www.sucaihuo.com">首 页</a></li>
  <li><a href="http://www.sucaihuo.com/templates">网站模板</a></li>
  <li><a href="http://www.sucaihuo.com/js">网页特效</a></li>
  </ul>
  <a class="logo" href="http://www.sucaihuo.com"><img src="http://www.sucaihuo.com/Public/images/logo.jpg" alt="素材火logo" /></a>
  </div>
  </div>
  <div class="container">
  <div class="demo">
  <h2 class="title"><a href="http://www.sucaihuo.com/js/81.html">Nivoslider多种焦点图切换效果教程</a></h2>
  <div id="slider" class="nivoSlider">
  <img src="images/s1.jpg" alt="" title="非常可爱的狗狗..." />
  <a href="http://www.sucaihuo.com"><img src="images/s2.jpg" alt="素材火" title="素材火" /></a>
  <img src="images/s3.jpg" alt="" title="#htmlcaption" />
  </div>
  <div id="htmlcaption" class="nivo-html-caption">
  <strong>图片标题</strong>，支持HTML标签 <a href="http://www.sucaihuo.com">sucaihuo.com</a>.
  </div>
  </div>
  </div>
  <div class="foot">
  Powered by sucaihuo.com 本站皆为作者原创，转载请注明原文链接：<a href="http://www.sucaihuo.com" target="_blank">www.sucaihuo.com</a>
  </div>
  <script type="text/javascript" src="http://libs.useso.com/js/jquery/1.7.2/jquery.min.js"></script>
  <script type="text/javascript" src="jquery.nivo.slider.pack.js"></script>
  <script type="text/javascript">
  $(function() {
  $('#slider').nivoSlider();
  });
  </script>
  </body>
  </html>

jquery.nivo.slider.pack.js

(function(a){var A=function(s,v){var f=a.extend({},a.fn.nivoSlider.defaults,v),g={currentSlide:0,currentImage:"",totalSlides:0,randAnim:"",running:false,paused:false,stop:false},e=a(s);e.data("nivo:vars",g);e.css("position","relative");e.addClass("nivoSlider");var j=e.children();j.each(function(){var b=a(this),h="";if(!b.is("img")){if(b.is("a")){b.addClass("nivo-imageLink");h=b}b=b.find("img:first")}var c=b.width();if(c==0)c=b.attr("width");var o=b.height();if(o==0)o=b.attr("height");c>e.width()&&
e.width(c);o>e.height()&&e.height(o);h!=""&&h.css("display","none");b.css("display","none");g.totalSlides++});if(f.startSlide>0){if(f.startSlide>=g.totalSlides)f.startSlide=g.totalSlides-1;g.currentSlide=f.startSlide}g.currentImage=a(j[g.currentSlide]).is("img")?a(j[g.currentSlide]):a(j[g.currentSlide]).find("img:first");a(j[g.currentSlide]).is("a")&&a(j[g.currentSlide]).css("display","block");e.css("background",'url("'+g.currentImage.attr("src")+'") no-repeat');for(var k=0;k<f.slices;k++){var p=
Math.round(e.width()/f.slices);k==f.slices-1?e.append(a('<div class="nivo-slice"></div>').css({left:p*k+"px",e.width()-p*k+"px"})):e.append(a('<div class="nivo-slice"></div>').css({left:p*k+"px",p+"px"}))}e.append(a('<div class="nivo-caption"><p></p></div>').css({display:"none",opacity:f.captionOpacity}));if(g.currentImage.attr("title")!=""){k=g.currentImage.attr("title");if(k.substr(0,1)=="#")k=a(k).html();a(".nivo-caption p",e).html(k);a(".nivo-caption",e).fadeIn(f.animSpeed)}var l=
0;if(!f.manualAdvance&&j.length>1)l=setInterval(function(){r(e,j,f,false)},f.pauseTime);if(f.directionNav){e.append('<div class="nivo-directionNav"><a class="nivo-prevNav">Prev</a><a class="nivo-nextNav">Next</a></div>');if(f.directionNavHide){a(".nivo-directionNav",e).hide();e.hover(function(){a(".nivo-directionNav",e).show()},function(){a(".nivo-directionNav",e).hide()})}a("a.nivo-prevNav",e).live("click",function(){if(g.running)return false;clearInterval(l);l="";g.currentSlide-=2;r(e,j,f,"prev")});
a("a.nivo-nextNav",e).live("click",function(){if(g.running)return false;clearInterval(l);l="";r(e,j,f,"next")})}if(f.controlNav){p=a('<div class="nivo-controlNav"></div>');e.append(p);for(k=0;k<j.length;k++)if(f.controlNavThumbs){var t=j.eq(k);t.is("img")||(t=t.find("img:first"));f.controlNavThumbsFromRel?p.append('<a class="nivo-control" rel="'+k+'"><img src="'+t.attr("rel")+'" alt="" /></a>'):p.append('<a class="nivo-control" rel="'+k+'"><img src="'+t.attr("src").replace(f.controlNavThumbsSearch,
f.controlNavThumbsReplace)+'" alt="" /></a>')}else p.append('<a class="nivo-control" rel="'+k+'">'+(k+1)+"</a>");a(".nivo-controlNav a:eq("+g.currentSlide+")",e).addClass("active");a(".nivo-controlNav a",e).live("click",function(){if(g.running)return false;if(a(this).hasClass("active"))return false;clearInterval(l);l="";e.css("background",'url("'+g.currentImage.attr("src")+'") no-repeat');g.currentSlide=a(this).attr("rel")-1;r(e,j,f,"control")})}f.keyboardNav&&a(window).keypress(function(b){if(b.keyCode==
"37"){if(g.running)return false;clearInterval(l);l="";g.currentSlide-=2;r(e,j,f,"prev")}if(b.keyCode=="39"){if(g.running)return false;clearInterval(l);l="";r(e,j,f,"next")}});f.pauseOnHover&&e.hover(function(){g.paused=true;clearInterval(l);l=""},function(){g.paused=false;if(l==""&&!f.manualAdvance)l=setInterval(function(){r(e,j,f,false)},f.pauseTime)});e.bind("nivo:animFinished",function(){g.running=false;a(j).each(function(){a(this).is("a")&&a(this).css("display","none")});a(j[g.currentSlide]).is("a")&&
a(j[g.currentSlide]).css("display","block");if(l==""&&!g.paused&&!f.manualAdvance)l=setInterval(function(){r(e,j,f,false)},f.pauseTime);f.afterChange.call(this)});var w=function(b,h){var c=0;a(".nivo-slice",b).each(function(){var o=a(this),d=Math.round(b.width()/h.slices);c==h.slices-1?o.css("width",b.width()-d*c+"px"):o.css("width",d+"px");c++})},r=function(b,h,c,o){var d=b.data("nivo:vars");d&&d.currentSlide==d.totalSlides-1&&c.lastSlide.call(this);if((!d||d.stop)&&!o)return false;c.beforeChange.call(this);
if(o){o=="prev"&&b.css("background",'url("'+d.currentImage.attr("src")+'") no-repeat');o=="next"&&b.css("background",'url("'+d.currentImage.attr("src")+'") no-repeat')}else b.css("background",'url("'+d.currentImage.attr("src")+'") no-repeat');d.currentSlide++;if(d.currentSlide==d.totalSlides){d.currentSlide=0;c.slideshowEnd.call(this)}if(d.currentSlide<0)d.currentSlide=d.totalSlides-1;d.currentImage=a(h[d.currentSlide]).is("img")?a(h[d.currentSlide]):a(h[d.currentSlide]).find("img:first");if(c.controlNav){a(".nivo-controlNav a",
b).removeClass("active");a(".nivo-controlNav a:eq("+d.currentSlide+")",b).addClass("active")}if(d.currentImage.attr("title")!=""){var u=d.currentImage.attr("title");if(u.substr(0,1)=="#")u=a(u).html();a(".nivo-caption",b).css("display")=="block"?a(".nivo-caption p",b).fadeOut(c.animSpeed,function(){a(this).html(u);a(this).fadeIn(c.animSpeed)}):a(".nivo-caption p",b).html(u);a(".nivo-caption",b).fadeIn(c.animSpeed)}else a(".nivo-caption",b).fadeOut(c.animSpeed);var m=0;a(".nivo-slice",b).each(function(){var i=
Math.round(b.width()/c.slices);a(this).css({height:"0px",opacity:"0",background:'url("'+d.currentImage.attr("src")+'") no-repeat -'+(i+m*i-i)+"px 0%"});m++});if(c.effect=="random"){h=["sliceDownRight","sliceDownLeft","sliceUpRight","sliceUpLeft","sliceUpDown","sliceUpDownLeft","fold","fade","slideInRight","slideInLeft"];d.randAnim=h[Math.floor(Math.random()*(h.length+1))];if(d.randAnim==undefined)d.randAnim="fade"}if(c.effect.indexOf(",")!=-1){h=c.effect.split(",");d.randAnim=h[Math.floor(Math.random()*
h.length)];if(d.randAnim==undefined)d.randAnim="fade"}d.running=true;if(c.effect=="sliceDown"||c.effect=="sliceDownRight"||d.randAnim=="sliceDownRight"||c.effect=="sliceDownLeft"||d.randAnim=="sliceDownLeft"){var n=0;m=0;w(b,c);h=a(".nivo-slice",b);if(c.effect=="sliceDownLeft"||d.randAnim=="sliceDownLeft")h=a(".nivo-slice",b)._reverse();h.each(function(){var i=a(this);i.css({top:"0px"});m==c.slices-1?setTimeout(function(){i.animate({height:"100%",opacity:"1.0"},c.animSpeed,"",function(){b.trigger("nivo:animFinished")})},
100+n):setTimeout(function(){i.animate({height:"100%",opacity:"1.0"},c.animSpeed)},100+n);n+=50;m++})}else if(c.effect=="sliceUp"||c.effect=="sliceUpRight"||d.randAnim=="sliceUpRight"||c.effect=="sliceUpLeft"||d.randAnim=="sliceUpLeft"){m=n=0;w(b,c);h=a(".nivo-slice",b);if(c.effect=="sliceUpLeft"||d.randAnim=="sliceUpLeft")h=a(".nivo-slice",b)._reverse();h.each(function(){var i=a(this);i.css({bottom:"0px"});m==c.slices-1?setTimeout(function(){i.animate({height:"100%",opacity:"1.0"},c.animSpeed,"",
function(){b.trigger("nivo:animFinished")})},100+n):setTimeout(function(){i.animate({height:"100%",opacity:"1.0"},c.animSpeed)},100+n);n+=50;m++})}else if(c.effect=="sliceUpDown"||c.effect=="sliceUpDownRight"||d.randAnim=="sliceUpDown"||c.effect=="sliceUpDownLeft"||d.randAnim=="sliceUpDownLeft"){var x=m=n=0;w(b,c);h=a(".nivo-slice",b);if(c.effect=="sliceUpDownLeft"||d.randAnim=="sliceUpDownLeft")h=a(".nivo-slice",b)._reverse();h.each(function(){var i=a(this);if(m==0){i.css("top","0px");m++}else{i.css("bottom",
"0px");m=0}x==c.slices-1?setTimeout(function(){i.animate({height:"100%",opacity:"1.0"},c.animSpeed,"",function(){b.trigger("nivo:animFinished")})},100+n):setTimeout(function(){i.animate({height:"100%",opacity:"1.0"},c.animSpeed)},100+n);n+=50;x++})}else if(c.effect=="fold"||d.randAnim=="fold"){m=n=0;w(b,c);a(".nivo-slice",b).each(function(){var i=a(this),y=i.width();i.css({top:"0px",height:"100%","0px"});m==c.slices-1?setTimeout(function(){i.animate({y,opacity:"1.0"},c.animSpeed,"",function(){b.trigger("nivo:animFinished")})},
100+n):setTimeout(function(){i.animate({y,opacity:"1.0"},c.animSpeed)},100+n);n+=50;m++})}else if(c.effect=="fade"||d.randAnim=="fade"){var q=a(".nivo-slice:first",b);q.css({height:"100%",b.width()+"px"});q.animate({opacity:"1.0"},c.animSpeed*2,"",function(){b.trigger("nivo:animFinished")})}else if(c.effect=="slideInRight"||d.randAnim=="slideInRight"){q=a(".nivo-slice:first",b);q.css({height:"100%","0px",opacity:"1"});q.animate({b.width()+"px"},c.animSpeed*2,"",function(){b.trigger("nivo:animFinished")})}else if(c.effect==
"slideInLeft"||d.randAnim=="slideInLeft"){q=a(".nivo-slice:first",b);q.css({height:"100%","0px",opacity:"1",left:"",right:"0px"});q.animate({b.width()+"px"},c.animSpeed*2,"",function(){q.css({left:"0px",right:""});b.trigger("nivo:animFinished")})}},z=function(b){this.console&&typeof console.log!="undefined"&&console.log(b)};this.stop=function(){if(!a(s).data("nivo:vars").stop){a(s).data("nivo:vars").stop=true;z("Stop Slider")}};this.start=function(){if(a(s).data("nivo:vars").stop){a(s).data("nivo:vars").stop=
false;z("Start Slider")}};f.afterLoad.call(this)};a.fn.nivoSlider=function(s){return this.each(function(){var v=a(this);if(!v.data("nivoslider")){var f=new A(this,s);v.data("nivoslider",f)}})};a.fn.nivoSlider.defaults={effect:"random",slices:15,animSpeed:500,pauseTime:3E3,startSlide:0,directionNav:true,directionNavHide:true,controlNav:true,controlNavThumbs:false,controlNavThumbsFromRel:false,controlNavThumbsSearch:".jpg",controlNavThumbsReplace:"_thumb.jpg",keyboardNav:true,pauseOnHover:true,manualAdvance:false,
captionOpacity:0.8,beforeChange:function(){},afterChange:function(){},slideshowEnd:function(){},lastSlide:function(){},afterLoad:function(){}};a.fn._reverse=[].reverse})(jQuery);
css
/*
 * jQuery Nivo Slider v2.4
 * http://nivo.dev7studios.com
 *
 * Copyright 2011, Gilbert Pellegrom
 * Free to use and abuse under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * March 2010
 */
 
 
/* The Nivo Slider styles */
.nivoSlider {
	position:relative;
}
.nivoSlider img {
	position:absolute;
	top:0px;
	left:0px;
}
/* If an image is wrapped in a link */
.nivoSlider a.nivo-imageLink {
	position:absolute;
	top:0px;
	left:0px;
	100%;
	height:100%;
	border:0;
	padding:0;
	margin:0;
	z-index:60;
	display:none;
}
/* The slices in the Slider */
.nivo-slice {
	display:block;
	position:absolute;
	z-index:50;
	height:100%;
}
/* Caption styles */
.nivo-caption {
	position:absolute;
	left:0px;
	bottom:0px;
	background:#000;
	color:#fff;
	opacity:0.8; /* Overridden by captionOpacity setting */
	100%;
	z-index:89;
}
.nivo-caption p {
	padding:5px;
	margin:0;
}
.nivo-caption a {
	display:inline !important;
}
.nivo-html-caption {
    display:none;
}
/* Direction nav styles (e.g. Next & Prev) */
.nivo-directionNav a {
	position:absolute;
	top:45%;
	z-index:99;
	cursor:pointer;
}
.nivo-prevNav {
	left:0px;
}
.nivo-nextNav {
	right:0px;
}
/* Control nav styles (e.g. 1,2,3...) */
.nivo-controlNav a {
	position:relative;
	z-index:99;
	cursor:pointer;
}
.nivo-controlNav a.active {
	font-weight:bold;
}
html,body,div,span,h1,h2,h3,h4,h5,h6,p,pre,a,code,em,img,small,strong,sub,sup,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label{margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;background:transparent}
a{color:#007bc4; text-decoration:none;}
a:hover{text-decoration:underline}
ol,ul{list-style:none}
table{border-collapse:collapse;border-spacing:0}
html{background:url(../images/demo_bg.png)}
body{height:100%; font:12px/18px "Microsoft Yahei", Tahoma, Helvetica, Arial, Verdana, "5b8b4f53", sans-serif; color:#51555C;}
img{border:none}
.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}
.head {border-bottom: 1px solid #dadada;padding: 0 0 5px;}
.head_inner {margin: 0 auto; 980px;}
.container{980px; min-height:600px; margin:30px auto 0 auto; border:1px solid #d3d3d3; background:#fff; -moz-border-radius:5px;-khtml-border-radius: 5px;-webkit-border-radius: 5px; border-radius:5px;}
h2.title{margin:4px 0 30px;padding:15px 0 10px 20px; border-bottom:1px solid #d3d3d3; font-size:18px; color:#a84c10; background:url(../images/arrow.jpg) no-repeat 2px 14px}
.foot{ height:60px;padding:10px 2px; line-height:24px; text-align:center}
.foot a:hover{color:#51555C}
.btn{-webkit-border-radius:3px;-moz-border-radius:3px;-ms-border-radius:3px;-o-border-radius:3px;border-radius:3px;
     background-color: #ff8400;color: #fff;display: inline-block;height: 28px;line-height: 28px;text-align: center;
      72px;transition: background-color 0.2s linear 0s;border:none;cursor:pointer;}
.demo{700px;margin:0 auto}
.btn:hover{background-color: #e95a00;text-decoration: none}

ul.ul_demo li {
    background: url("../images/demo_icon.gif") no-repeat scroll 0 6px;
    line-height: 28px;
    padding-left: 20px;
}
.input{border:1px solid #ccc;padding:0 5px;220px; height: 26px;line-height: 26px;}
#nav {
    float: right;
    margin: 30px 0 0;
}

#nav li {
    float: left;
    font-size: 16px;
    margin-right: 20px;
}
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原文地址：https://www.cnblogs.com/liuwenbohhh/p/4487780.html